On Fri, 9 Dec 2016 08:55:51 +0100 Stanislav Kozina <skozina@xxxxxxxxxx> wrote: > >> The question is how to provide a similar guarantee if a different way? > > As a tool to aid distro reviewers, modversions has some value, but the > > debug info parsing tools that have been mentioned in this thread seem > > superior (not that I've tested them). > > On the other hand the big advantage of modversions is that it also > verifies the checksum during runtime (module loading). In other words, I > believe that any other solution should still generate some form of > checksum/watermark which can be easily checked for compatibility on > module load. > It should not be hard to add to the DWARF based tools though. We'd just > parse DWARF data instead of the C code. A runtime check is still done, with per-module vermagic which distros can change when they bump the ABI version. Is it really necessary to have more than that (i.e., per-symbol versioning)? Thanks, Nick -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
